Data as of Nov 7, 2026
210.121.120.0/21
4 residential-proxy exits · 30 daysCCS · space held by Sejong Networks
Residential-proxy exits
Proxy exits
4
0.20% of its addresses · 30 days
Always-on exits
1
25% of its exits
Spread
3 of 8
/24s with at least one exit
Providers
23
selling exits here
Oct 8, 2026 – Nov 6, 2026
Exits seen per day
1.3K observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 210.121.127.0/24 | 1 | 2 | |
| 210.121.125.0/24 | 0 | 1 | |
| 210.121.126.0/24 | 0 | 1 |
Proxy providers listing exits
- AnyIP
- B2Proxy
- BottingTools
- CliProxy
- DataImpulse
- Evomi
- FloppyData
- GeekProxy
- Geonode
- IPFly
- IPPeak
- InfiniteProxies
- MoMoProxy
- Novada
- PSBProxy
- PrivateByte
- Proxy4U
- ProxyGeo
- RainProxy
- RapidProxy
- ResiProxies
- Shifter
- SwiftProxy
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 210.121.0.0/17 since May 2005 | AS9848 | Internet provider | 74 5 always on | Sejong Networks |
Network & registry
Origin network
AS45374
KR
- Name
- CCS
- Type
- Internet provider
- Registered
- Aug 19, 2008
- Domain
- ccs.co.kr
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Nov 2009
- Current origin since
- Nov 2009 · 17 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 210.
121. 0. 0/ 17 - Netname
- SEJONG-KR
- Registrant
- Sejong Networks
- Registrant country
- KR
- Organization
- Sejong Networks
- Org country
- KR
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Maintainer
- MNT-KRNIC-AP
- RIR
- APNIC
- Country
- KR
- Delegated
- Nov 26, 1996
- Status
- assigned
Report abuse
Abuse contact
- irt@
nic. or. kr - Name
- IRT-KRNIC-KR
- Handle
- IRT-KRNIC-KR